CN1885173B - Imaging member - Google Patents

Imaging member Download PDF

Info

Publication number
CN1885173B
CN1885173B CN2006100928222A CN200610092822A CN1885173B CN 1885173 B CN1885173 B CN 1885173B CN 2006100928222 A CN2006100928222 A CN 2006100928222A CN 200610092822 A CN200610092822 A CN 200610092822A CN 1885173 B CN1885173 B CN 1885173B
Authority
CN
China
Prior art keywords
layer
inter coat
electricity
image
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2006100928222A
Other languages
Chinese (zh)
Other versions
CN1885173A (en
Inventor
S·米什拉
R·C·U·余
K·M·卡麦克尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of CN1885173A publication Critical patent/CN1885173A/en
Application granted granted Critical
Publication of CN1885173B publication Critical patent/CN1885173B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0557—Macromolecular bonding materials obtained otherwise than by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0575—Other polycondensates comprising nitrogen atoms with or without oxygen atoms in the main chain
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0503—Inert supplements
    • G03G5/0507—Inorganic compounds
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0557—Macromolecular bonding materials obtained otherwise than by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0564—Polycarbonates
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0557—Macromolecular bonding materials obtained otherwise than by reactions only involving carbon-to-carbon unsatured bonds
    • G03G5/0578—Polycondensates comprising silicon atoms in the main chain
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G03G5/0596—Macromolecular compounds characterised by their physical properties
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0601—Acyclic or carbocyclic compounds
    • G03G5/0612—Acyclic or carbocyclic compounds containing nitrogen
    • G03G5/0614—Amines
    • G03G5/06142—Amines arylamine
    • G03G5/06144—Amines arylamine diamine
    • G03G5/061443—Amines arylamine diamine benzidine
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
    • G03G5/0664—Dyes
    • G03G5/0696—Phthalocyanines
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
    • H10K30/20—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation comprising organic-organic junctions, e.g. donor-acceptor junctions
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
    • H10K30/50—Photovoltaic [PV] devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K39/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic radiation-sensitive element covered by group H10K30/00
    • H10K39/30—Devices controlled by radiation
    • H10K39/32—Organic image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/30—Coordination compounds
    • H10K85/311—Phthalocyanine
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/30—Coordination compounds
    • H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
    • H10K85/326—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising gallium
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
    • H10K85/60—Organic compounds having low molecular weight
    • H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Photoreceptors In Electrophotography (AREA)

Abstract

An imaging member includes an electrically conductive layer; a positive charge blocking layer, an imaging layer, and an undercoat layer. The undercoat layer is intermediate the imaging layer and the electrically conductive layer. The undercoat layer includes a film forming polymer and a particulate material dispersed therein. The particulate material supports a charge blocking material thereon.

Description

Image-forming component
Technical field
Openly be used for the image-forming component of electrofax at this.More specifically disclose electronegative image-forming component at this, this element has the photoproduction layer of separation image-forming component and the inter coat of conductive layer, moves betwixt effectively to stop positive charge.
Background technology
Many present electrophotographic imaging member are multilayer photoreceptors, and this photoreceptor comprises substrate carrier, conductive layer, optional resistance electricity layer, optional bonding coat, charge generating layer, transmission of electricity layer and optional protection or external coating in electronegative system.The multilayer photoreceptor can adopt several kinds of forms, for example flexible band, rigidity rotary drum, flexible spool etc.Flexible photoreceptor body band can be that seam or seamless band are arranged.Non-curl backing can be used for the dorsal part of flexible carrier substrate, and promptly relative with electroactive layer side is to reach required photoreceptor belt flatness.
Although can adopt the sandwich tape photoreceptor to obtain excellent toner image, the delicate balance in retainer belt electrical image and the bias potential, and the characteristic of toner/developer usually.This is to the photoreceptor manufacturing, and therefore has other restriction to making yield.Be of a size of the about 200 microns local microdefect position of about 50-and can occur in the mill sometimes, this occurs as printing defects (microdefect) in final Imagable copy spare.When charging zone develops, wherein charging zone is printed as dark areas, the position is printed off with white point.This slight imperfections is called little white point.In the region of discharge toning system, wherein exposure area (region of discharge) is printed as dark areas, these positions print out on white background and are dim spot.All these microdefects, it shows too big dark decay, is called charge defects point (CDS).Because the microdefect position is fixed in the photoreceptor, so the some quilt is from being with a rotating loop jump to the next one.
The multilayer imaging element that developed injects to stop the positive charge (hole) from conductive layer, and it can cause CDS.For example, the polysilane restraining barrier is used to separate the conductive layer and the charge generating layer of image-forming component.
Summary of the invention
The each side of illustration embodiment relates to image-forming component and the method that forms image-forming component.On the one hand, image-forming component comprises conductive layer, positive charge restraining barrier, imaging layer and inter coat.Inter coat is at imaging layer and conductive layer inter coat.Inter coat comprises film forming polymer and is dispersed in bulk material wherein.Bulk material load resistance material above that.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein film forming polymer comprises thermoplastic polyurethane.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the thickness of inter coat is about 0.1 micron-Yue 10 microns.
In embodiments; Present disclosure also provides above-mentioned image-forming component, and wherein bulk material comprises and is selected from following inorganic material: silicon dioxide, oxide, metal oxide, metal carbonate, metal silicate, slaine, metal sulfate, metal sulphite and combination thereof.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the particle mean size of bulk material is less than about 500nm.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the averaged particles of bulk material distributes less than about 90nm.
In embodiments, present disclosure also provides above-mentioned image-forming component, wherein at least about 90% bulk material in the about 90nm scope of about 2nm-.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein resistance material comprises at least a of N-functional silane, N-official's ability titanate and N-official's ability zirconate.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein resistance material comprises the N-functional silane.
In embodiments; Present disclosure also provides above-mentioned image-forming component, and wherein resistance material is selected from the trimethoxy-silylpropyl ethylenediamine and the combination thereof of (gamma-amino propyl group) triethoxysilane, (gamma-amino propyl group) trimethoxy silane, (gamma-amino butyl) methyldiethoxysilane, (gamma-amino propyl group) methyl dimethoxysilane, trimethoxysilyl propane diamine, hydrolysis.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the bulk material of load resistance material comprises the about 90wt% dispersion of about 10-, based on the general assembly (TW) of inter coat.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the transmission of electricity layer comprises charge transport component, and this charge transport component comprises arylamine.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein charge transport component comprises N, N '-diphenyl-N, and N '-two [3-aminomethyl phenyl]-[1,1 '-biphenyl]-4,4 '-diamines.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the resistance material of inter coat is and does not contrast the material that the image-forming component that forms inter coat is compared reduction charge defects point.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein imaging layer comprises charge transport component and photoproduction material.
In embodiments, present disclosure also provides above-mentioned image-forming component, wherein inter coat contact restraining barrier and imaging layer.
In embodiments, present disclosure also provides above-mentioned image-forming component, further is included in the middle adhesive interface layer in imaging layer and positive charge restraining barrier, inter coat contact adhesive interface layer.
In embodiments, present disclosure also provides above-mentioned image-forming component, and wherein the positive charge restraining barrier comprises the resistance material identical with the resistance material of load on bulk material.
Description of drawings
Fig. 1 is the schematic cross section according to the illustration image-forming component of first embodiment;
Fig. 2 shows the amplification cross-sectional view according to the illustration image-forming component of the 3rd embodiment; With
Fig. 3 is the schematic cross section according to the illustration image-forming component of second embodiment.
Embodiment
The each side of illustration embodiment disclosed herein relates to image-forming component, relates to the formation method of image-forming component and relates to the method for application of this image-forming component.Although embodiment disclosed herein can adopt flexible band configuration and rigidity rotary drum form to be applied to electrophotographic imaging member, be the reason of simplifying, following discussion concentrates on the electrophotographic imaging member of flexible band design.
The each side of disclosed herein illustration embodiment provides electronegative image-forming component, and this element comprises electric charge (or hole) restraining barrier and photoproduction (life) layer and the imaging layer that comprises the transmission of electricity layer of arranging above that.Inter coat is charge generating layer and electric charge (or hole) restraining barrier at interval.
Disclosed herein each side, inter coat comprise and suppress charge transport component from the diffusion of transmission of electricity layer or move to the material on restraining barrier, for example between the depositional stage of the coating solution that is used to form the transmission of electricity layer.
In further embodiment, inter coat comprises film forming polymer, and the solvent that wherein is used to form transmission of electricity layer solution is insoluble.
On the other hand, inter coat is included in the particulate support material of disperseing in the film forming polymer.The positive charge barrier material of the area load coating form of bulk material.The positive charge barrier material can comprise silane, like the N-functional silane.A kind of such N-functional silane is the 3-aminopropyltriethoxywerene werene, and it can stop from the positive charge of conductive earthing plane layer projection injects.
The transmission of electricity layer can comprise that film forming polymer binder and molecule are dispersed or dissolved in charge transport component wherein, as failing the hole molecule to form solid solution.
Do not receive the constraint of any particular theory, a source of local dark decay is the injection of positive charge (hole) from the photoreceptor substrate in the image that proposes on electronegative photoreceptor, to form.The transmission of electricity molecule, like N, N '-diphenyl-N, N '-two [3-aminomethyl phenyl]-[1,1 '-biphenyl]-4,4 '-diamines can be through increasing from the local dark decay of electric charge injection enhancing of the conductive earthing plane layer of photoreceptor substrate.Usually, be interpreted as, because the transmission of electricity molecule is the hole-conductive material, so transmission of electricity molecule injecting to substrate near influencing electric charge.Is under the deliquescent situation at the charge generating layer of photoreceptor and/or bonding coat to the transmission of electricity molecule, and these relatively little molecules can be through charge generating layer and/or bonding coat diffusion during the applying of the coating solution that forms the transmission of electricity layer.The diffusion molecule can reach ground plane layer and promote the positive charge during the electrophotographic image forming technology to inject.
Proposition also can occur in the whole defective on restraining barrier from the positive charge injection of ground plane layer.The restraining barrier is the layer of relative thin normally, only several nanometers of thickness.Therefore, if ground plane layer self comprises the peak shape projection that surpasses barrier layer thickness, the tip of these projections possibly not exclusively covered by the restraining barrier and expose.In addition, at flexible MYLAR TMIn the photoreceptor that forms on the substrate net raw material, in addition above that after depositing nano-thin thickness metal ground plane layer MYLAR can be left high subpoint.In the rotary drum photoreceptor, those that accomplish by machined into especially or machinery extrude those in, the electric charge that similar form can take place injects.
The illustration inter coat can be resisted the formation of the charge defects point of variety of way.At first, through forming inter coat by film forming polymer, the solvent that wherein is used to form transmission of electricity layer solution is insoluble, and reduction or inhibition hole-conductive transmission of electricity molecule are to the diffusion of following substrate.Secondly, through in the whole polymeric matrix of inter coat, introducing positive charge barrier material (as as coating particles), can reduce the injection of electric charge from ground plane layer with finely divided form (with therefore forming high surface area).These two kinds of useful effects can be provided and can be of value to the reduction of CDS by disclosed inter coat.
Therefore the migration through reducing the transmission of electricity molecule and can reduce CDS through the covering that stops the projection of ground plane peak shape, be included on the white background occur as duskiness point but on dark background as those points of little white point appearance.
Imaging, particularly xerox imaging and printing comprise that digital printed method is also included within the present disclosure.More specifically; The stratiform photoconductive imaging members of this embodiment can select to be used for many different known imaging and typographies; This technology comprises for example electrophotographic image forming technology; Particularly xerox imaging and typography, it is visible wherein to adopt the method for producing toner and toner of suitable charge polarity that charged sub-image is become.In addition; Disclosed image-forming component is used for the color static copy application; Particularly high-speed color duplicates and typography; And this element is responsive in about 900 nanometers of for example about 500-and about 850 nanometer wavelength range of about especially 650-in embodiments, so diode laser can be selected as light source.
The illustration embodiment of the multiple layer electronic photographic image-forming component of flexible band configuration is illustrated among Fig. 1.The illustration image-forming component comprises carrier substrates 10, and substrate 10 has that optional conductive surface layer 12 (it can be described as ground plane layer at this), cavitation layer stop 14, optional adhesive interface layer 16, inter coat 18, the imaging layer 20 that comprises charge generating layer 22 and transmission of electricity layer 24 and optional one or more external coatings and/or keep layer 26.Although will describe imaging layer 20 with reference to two independent layers, it should be understood that the function ingredients of these layers can be combined into simple layer in addition, as following discussion.
The lower surface of illustrational transmission of electricity layer 24 directly contacts with the upper surface of charge generating layer 22 and the upper surface of layer 24 can be the outermost exposed surface of image-forming component; If do not adopt external coating 26; Or under the situation of using external coating 26 or layer, the upper surface of layer 24 directly contacts with external coating.Other of image-forming component layer can comprise for example optional earthing strip layer 28, and this layer 28 is applied to an edge of image-forming component to promote and the electric continuity of conductive layer 12 through hole blocking layer 14.The anti-back coating 30 that curls can form on the dorsal part of carrier substrates 10.Conductive earthing plane 12 typically is a thin metal layer, and for example 10 nanometer thickness titanium coatings are deposited on the substrate 10 by vacuum moulding machine or sputtering technology.Layer 14,16,18,22,24 and 26 can be used as the solution that comprises solvent and deposits to separately and in order on the surface on conductive earthing plane 12 of substrate 10, dry each layer before next one deposition.
Substrate
Photoreceptor carrier substrates 10 can be opaque or substantially transparent, and can comprise any suitable organic or inorganic material with required mechanical property.Entire substrate can comprise with conductive surface in identical materials, or conductive surface can only be the coating on the substrate.Can adopt any suitable conductive material.
Conductive layer
The thickness of conductive earthing plane layer 12 can change according to electrophotographic imaging member required optical clarity and pliability.When the flexible band of needs photoreceptor; Conductive layer 12 on carrier substrates 10; For example typically be about 2 nanometers-Yue 75 nanometers by the titanium of sputter deposition craft production and/or the thickness of zirconium conductive layer; Can realizing being used for the suitable transmittance of suitable back of the body deletion, and about in embodiments 10 nanometers-Yue 20 nanometers are used for electric conductivity, pliability and light transmissive optimum combination.Conductive layer 12 can be for example on substrate by any suitable paint-on technique, the conductive metal layer that forms like vacuum moulding machine or sputtering technology.Be suitable for comprising aluminium, zirconium, niobium, tantalum, vanadium, hafnium, titanium, nickel, stainless steel, chromium, tungsten, molybdenum, its combination etc. as the typical metal of conductive layer 12.In entire substrate is under the situation of conducting metal, and its outside surface can play the function of conductive layer and can omit independent conductive layer.
To describe illustrational embodiment according to the substrate layer that comprises insulating material 10, this insulating material comprises inorganic or organic polymer material such as MYLAR, on substrate layer 10, has the ground plane layer 12 that comprises conductive material such as titanium or titanium/zirconium coating.
Hole blocking layer
If can hole blocking layer 14 be applied to substrate 10 or be applied on the layer 12 that exists then.Can adopt and to form any suitable positive charge (hole) restraining barrier that effectively stops that gets into the hole injection of photoconduction or photoproduction layer from adjacent conductive layer 12.
Restraining barrier 14 can be continuous or continuous basically and thickness can be less than about 10 microns, and this is because bigger thickness can cause undesirable high residual voltage.In the each side of illustration embodiment, about 0.005 micron-Yue 2 microns restraining barrier promotes the charging neutrality after step of exposure and reaches optimum electrical property.The restraining barrier can be by any suitable routine techniques, as spraying, dip-coating, stretching rod be coated with, intaglio printing coating, serigraphy, air knife are coated with, anti-roller coat covers, vacuum moulding machine, thermal treatment etc. apply.For ease of obtaining thin layer, the restraining barrier can adopt the form of lean solution to apply, after the coating deposition by routine techniques, like vacuum, heating etc. except that desolvating.Usually, about 0.05: the barrier material that 100-is about 5: 100 and the weight ratio of solvent are gratifying for spraying.
Adhesive interface layer/inter coat
Can inter coat 18 be applied directly to restraining barrier 14, and common and its vicinity.Inter coat 18 can be used as the adhesive interface layer so that restraining barrier 14 is fixed to charge generating layer 22.Perhaps or in addition, independent adhesive interface layer 16 can be in the middle of inter coat 18 and restraining barrier 14 and/or in the middle of inter coat 18 and charge generating layer 22, provided.In the embodiment of Fig. 1 illustrated, contact bed 16 is positioned in the middle of restraining barrier and the inter coat 18.Contact bed can comprise conjugated polyester resin.
Inter coat 18 can comprise film forming polymer, and resistance material 40 fine dispersion in layer matrix wherein is as illustrated in fig. 2 (not to scale (NTS)).Especially, for example thickness is not more than several molecule, loads on the surface of segmentation bulk material as the thin resistance material that coats, it disperses in whole inter coat.Bulk material comprises particle 42, and its mean diameter or size (D (50)) are for about 500 nanometers at the most and therefore can be called nano particle at this.It should be noted that (D (50)) expression particle of 50% has bigger diameter less than the particle of said diameter and 50%.In all fields, the average-size of nano particle is less than about 200 nanometers, and for example less than about 100 nanometers with in concrete embodiment, mean diameter is less than about 60 nanometers.For actual purpose, the average-size of particle 42 is at least about 2 nanometers and in concrete embodiment, at least about 20 nanometers, like the 20-60 nanometer.In the each side of illustration embodiment, the diameter of at least 90% particle is less than 200 nanometers in the inter coat.In all fields, the size-grade distribution of nano particle is not more than 90 nanometers.On the one hand, the particle at least about 90% is about 2 nanometers-Yue 90 nanometers in the inter coat.
Usually, littler nano-particles size causes high surface, and resistance material 40 can be used as coating and carried above that.But resistance material coating particles or can only partly cover particle.The shape of particle can be spherical or irregular or have any other suitable shape.Particle can evenly disperse to distribute uniformly usually to be provided in inter coat 18 whole substrate in polymkeric substance usually; As shown in Figure 2; Or can be in the part of inter coat 18, for example have higher concentration in the zone near 14 contiguous inter coats surfaces, restraining barrier.
Bulk material 42 can be inorganic or organic material.The illustration inorganic material comprises oxide, like metal oxide and silicate and salt.The illustration oxide comprises synthetic amorphous silica like the silicon dioxide of calcining, silicon dioxide, pyrolytic silicon dioxide and the silica gel of deposition, like aerogel and hydrogel, and crystalline silica.
Especially, can use neutrality or the hydrophobicity amorphous silica of diameter for about 2 nanometers-Yue 90 nanometers.The surface of silicon dioxide granule 42 can be level and smooth to prevent during dispersion prepares technology, producing air bubble.
Resistance material 40 normally is used to stop or reduces at least from the positive charge of substrate and inject and/or stop or reduce the material of positive charge from the migration of the peak shape projection of ground plane layer 12.As in Fig. 2, schematically showing, if the peak 46 of conductive layer 12 extends into inter coat 18 through restraining barrier 14, then the barrier material on next-door neighbour's coated particle 42 40 suppresses or stops through peak 4 hole injection layer 18.Resistance material 40 can adopt enough quantity to exist with preparation similarly but there is not the photoreceptor of inter coat to compare, and reduces the average number of charge defects point in the photoreceptor of introducing inter coat.
For example, resistance material 40 is applied for thin clad on the surface of particle 42.The thickness of barrier material layer 40 can be one to ten molecule.For example, it can be used as unimolecule or three molecular layer coatings and exists, this coating layer portion or cover each particle surface fully.In all fields, the particle that barrier material applies can the dispersion concentration with the about 90wt% of about 10-exist in the matrix of inter coat 18, based on the general assembly (TW) of dry inter coat.In one embodiment, the dispersion of barrier material coating particles in inter coat with at least about the concentration of 20wt% with exist with concentration in another embodiment at least about 40wt%.
The resistance material of load can be formed by following mode: combine bulk material and resistance material, randomly combine suitable solvent, to adopt the resistance material coated particle.
The thermoplasticity film forming urethane resin that is used for inter coat is a kind of resin, and this resin is film forming polymer and the organic solvent that is dissolved in selection easily or solvent mixture forming coating solution, but it is insoluble to the solvent of the coating solution that is used to transmit electricity generally.
Solvent or solvent mixture and the coated particle that any suitable and conventional technology can be used for mixing TPU and selection is to form the inter coat coating solution and to be coating applying solution thereafter.Usually, at first urethane resin is dissolved in solvent and the particle that applies is added solution.Typical coating application technique comprises that for example spraying, dip-coating, roller coat, wrapping wire rod are coated with etc.The drying of the coating of deposition can be undertaken by any suitable routine techniques such as oven drying, infrared radiation drying, air drying etc.Usually, the thickness of thermoplastic polyurethane inter coat 18 after drying is usually less than about 20 microns and can be about 0.1 micron-Yue 10 microns, but also can use the thickness beyond this scope.About 0.3 micron-Yue 5 microns dry thickness is normally suitable.
Charge generating layer
Can photoproduction (life) layer 22 be applied to inter coat 18 thereafter.Can adopt the electric binder layer 22 of any suitable life that comprises photoproduction/photoconductive material, it can for particulate forms and be dispersed in the film forming base-material, in inactive resin.
The thickness that when drying, comprises the photoproduction layer 22 of photoproduction material and resin binder material is generally about 0.1 micron-Yue 5 microns, for example about 0.3 micron-Yue 3 microns.The photoproduction layer thickness is relevant with base-material content usually.The composition of higher base-material content adopts thicker photoproduction layer usually.
The transmission of electricity layer
Transmission of electricity layer 24 be applied on the charge generating layer 22 thereafter and can comprise can support photohole or electronics from charge generating layer 22 inject with can allow these hole/electronics through the transmission of transmission of electricity layer optionally to make any suitable transparent organic polymer or the non-polymer material of the lip-deep surface charge discharge of image-forming component.In one embodiment, transmission of electricity layer 24 not only is used for transporting holes, and protection charge generating layer 22 is avoided wearing and tearing or chemical attack and can therefore prolong the service life of image-forming component.Transmission of electricity layer 24 can be non-basically photoconductive material, but supports photohole to inject from charge generating layer 22.In one embodiment, transmission of electricity layer does not have or does not have basically photoproduction material (the photoproduction material that in charge generating layer 22, comprises less than 1% concentration of layer 24 for example, and in one embodiment, less than its 0.1%).When making public betwixt when guaranteeing that most of incident radiations are utilized by following charge generating layer 22, layer 24 is transparent in the wavelength coverage that will use electrophotographic imaging member usually.Be used for xerographi optical wavelength when being exposed to, during like the 400-900 nanometer, transmission of electricity layer should show that excellent optical clarity is with insignificant light absorption and both there be not also not discharge (if existence) of charge generation.Under the situation when using transparent substrates 10 and transparency conducting layer 12 preparation photoreceptors, imaging exposure or deletion can make all light accomplish through the substrate dorsal part through substrate 10.In the case, if charge generating layer 22 is clipped between substrate and the transmission of electricity layer 24, then the material of layer 24 need be in not using wavelength coverage transmitted light.The transmission of electricity layer 24 that combines with charge generating layer 22 is insulators, reaches the degree of the static charge of on the transmission of electricity layer, placing in non-conducting in the presence of the illumination not.When maybe be through under its situation, transmission of electricity layer 24 should capture minimum electric charge.
Transmission of electricity layer 24 can comprise any suitable charge transport component or activating compounds, and this charge transport component or activating compounds are electroactive as the adjuvant that molecule in non-electroactive polymer material disperses to form solid solution and to make this material thus.Can charge transport component be added the film forming polymer material, this material can not support photohole from producing the material injection and can not allowing these holes therefrom to transmit in addition.This changes into non-electroactive polymer material can support photohole to inject and the material that can allow these holes through 24 transmission of transmission of electricity layer from charge generating layer 22, on the transmission of electricity layer, to emit surface charge.Charge transport component typically includes the micromolecule of organic compounds, and these molecule cooperations are with transmission charge between molecule and finally be transferred to the surface of transmission of electricity layer.
Any suitable inactive resin base-material that is dissolved in methylene chloride, chlorobenzene or other suitable solvent can be used for the transmission of electricity layer.
Transmission of electricity layer 24 is insulators, reaches in illumination not down to be enough to prevent that electrostatic latent image from forming and the degree of speed non-conducting static charge of placement on the transmission of electricity layer of keeping above that.Usually, transmission of electricity layer 24 remains about 2 with the thickness ratio of charge generating layer 22: about 200: 1 of 1-, and in some cases up to about 400: 1.
Other aspect relates to the antioxidant that in transmission of electricity layer 24, comprises varied number, like hindered phenol.
The thickness of transmission of electricity layer 24 can be about 5 microns-Yue 200 microns, 15 microns according to appointment-Yue 40 microns.The transmission of electricity layer can comprise double-deck or a plurality of layers.
An edge that can other layer that comprise the conducting particles that for example in the film forming base-material, disperses as conventional earthing strip layer 28 be applied to image-forming component is to promote and the electric continuity of conductive layer 12 through hole blocking layer 14 and inter coat 18.Earthing strip layer 28 can comprise any suitable film forming polymer binder and conducting particles.Randomly, external coating 26 is as need also can be used for providing the image-forming component surface protection and improving wearing quality.
External coating
Other aspect relates to and in transmission of electricity layer, comprises or relate to the nano particle external coating 26 as dispersion, like silicon dioxide, metal oxide, Acumist TM(wax shaped polyethylene particle), PTFE etc.Nano particle can be used for strengthening the lubricity and the wearing quality of transmission of electricity layer 24.Near the particle dispersion of transport layer 24 tops, concentrating can be 1/10th adverse effects that do not cause so that optimum wearing quality to be provided the electrical property of the image-forming component of manufacturing of about at the most 10wt% or the thickness of transmission of electricity layer 24 weight.Adopting under the situation of external coating 26, it can comprise that similar resin or the different resins of the layer that is used to transmit electricity and thickness are about 2 microns of about 1-.
Because with the comparing transmission of electricity layer 24 and can have significant thermal shrinkage and do not match of substrate carrier 10; So as pixel spare when being cooled to the room environmental temperature, the flexible electronic photographing imaging element of preparation possibly show spontaneous upsweeping owing in transmission of electricity layers 24, obtain bigger dimensional contraction in than substrate carrier 10 after the heating/drying process of the wet transmission of electricity coating that applies.The dorsal part (it is the opposite flank with the side that has electroactive dope layer) that can the back coating 30 of preventing curling be applied to substrate carrier 10 is to reach flatness.
The anti-back coating that curls
The anti-back coating 30 that curls can comprise any suitable organic or inorganic film forming polymer, and this polymkeric substance is semi-conduction electrical isolation or slight.Image-forming component manufacturing layer apply with drying process during in the temperature range (typically about 20 ℃-Yue 130 ℃) that adopts, the Thermal Contraction Coefficient value of the anti-curling back coating 30 of use is significantly greater than the value of the substrate carrier that is used for image-forming component 10.Anti-curling back coating 30 can be for the about 20wt% of about 7-, and based on the general assembly (TW) of image-forming component, it can be corresponding to the about 20 microns dry paint thickness of about 7-.How easily the anti-back coating of selecting that curls easily by applying through the suitable film forming polymer of dissolving in the organic solvent in office.
In addition, like needs, be used for the anti-suitable film forming thermoplastic polymer that curls back coating 30 and can comprise and be used to transmit electricity layers 24 identical base material polymer.The anti-back paint preparaton that curls can comprise that a small amount of saturated copolyester binder promoter is to strengthen its bond strength to substrate carrier.
In one embodiment, the anti-back coating 30 that curls is optically transparent.What term light was transparent is defined herein as the anti-back coating that curls through the ability of coating transmission at least about 98% incident light energy.The anti-back coating that curls of this embodiment comprises that film forming thermoplastic polymer and glass transition temperature (Tg) value are at least about 75 ℃, and greatly at least about 1.5 times, young modulus is at least about 2 * 10 to the Thermal Contraction Coefficient value than the Thermal Contraction Coefficient value of substrate carrier 5And on carrier substrates, adhere to well p.s.i..
Can the layer flexible electrophotographic imaging member net raw material that have according to the inter coat of said embodiment manufacturing be cut into rectangular sheet.Then with each cutting blade its terminal overlapping and through any suitable method such as ultra-sonic welded, splicing, band connect, nail joint or pressure and hot melt condense and close to form continuous imaging element suture zone, sleeve or cylinder.
As substituting of transmission of electricity layer that separates 22 and charge generating layer 24, can adopt single imaging layer 20, as shown in Figure 3, other layer of photoreceptor forms as stated.Imaging layer 20 can comprise the single electrofax active layer that can during static electrification lotus, imaging exposure and image developing, keep static charge in the dark.Single imaging layer 20 can comprise the transmission of electricity molecule in the base-material, be similar to layer 24 those and randomly also can comprise photoproduction/photoconductive material, be similar to those of above-mentioned layer 22.
Thereafter the flexible imaging band of preparation can be used for any suitable and conventional electrophotographic image forming technology, and the utilization before the imaging exposure of this technology is evenly filled charged with the activation electromagnetic radiation.When the imaging surface of electrophotographic member being adopted the static charge uniform charging and during to activation electromagnetic radiation imaging exposure, conventional just or anti-developing technique be used on the imaging surface of electrophotographic imaging member and form the marker material image.Therefore, through applying suitable electrical bias and the toner of selecting to have suitable charge polarity, form toner image in charging zone on the imaging surface of electrophotographic imaging member or the region of discharge.For example, for positive development, the toner particle of charging attracted to the static electric field of the oppositely charged of imaging surface, and for anti-development, the toner particle of charging attracted to the region of discharge of imaging surface.
Embodiment
Embodiment 1 (contrast)
Electrophotographic imaging member is prepared by following mode: on the substrate of the PEN substrate (KADALEX is from Dupont Teijin Films) of biaxial orienting, 0.02 micron thick titanium layer is provided.Thickness is 3.5 mils (89 microns).Adopt barrier layer solution to extrude coating titanizing KADALEX substrate, this solution comprises the potpourri of 6.5 gram γ-An Jibingjisanyiyangjiguiwans, 39.4 gram distilled water, 2.08 gram acetate, 752.2 grams, 200 anti-sex change alcohol and 200 gram heptane.Allow this wet dope layer in the force air baking oven, to desolvate and carry out the formation on crosslinked silane restraining barrier from coating, to remove in dry 5 minutes then at 135 ℃.The average dry thickness on the restraining barrier that obtains is 0.04 micron, as adopting the ellipsometer measurement.
Adopt coating solution to be applied to the restraining barrier on the adhesive interface layer then by extruding to apply; This coating solution comprises the ARDEL polyacrylate based on total solution weight 0.16wt% in the tetrahydrofuran/monochloro benzene/dichloromethane solvent potpourri of 8: 1: 1 weight ratios; The weight-average molecular weight of this polyacrylate is about 54; 000, available from Toyota Hsushu, Inc..Allow the adhesive interface layer under 125 ℃ in the force air baking oven dry 1 minute.The dry thickness of the adhesive interface layer that obtains is about 0.02 micron.
Adopt charge generating layer apply above that adhesive interface layer thereafter.The charge generating layer dispersion is prepared by following mode: in 100 milliliters of vials, add 0.45 gram IUPILON 200; Gather (4 available from Mitsubishi Gas Chemical Corporation; 4 '-diphenyl)-1; 1 '-polycarbonate (PC-z 200) and 50 milliliters of tetrahydrofurans of cyclohexane carbonic ester.2.4 gram hydroxy gallium phthalocyanine V-types and the stainless steel bomb of 1/8 inch (3.2 millimeters) diameter of 300 grams are added solution.Then this potpourri was placed on the bowl mill about 20-about 24 hours.Subsequently, with 2.25 grammes per square metre average molecular weights be 20,000 gather (4,4 '-diphenyl-1,1 '-the cyclohexane carbonic ester) (PC-z 200) be dissolved in 46.1 gram tetrahydrofurans, join then in the hydroxy gallium phthalocyanine slurry.Then this slurry is placed on electromagnetic shaker last 10 minute.To apply that technology is coated on the adhesive interface layer to form wet thickness be 0.25 mil (6.4 * 10 by extruding with the slurry that obtains then -4Mm) layer.Yet, intentionally stay along the bar of about 10 mm wides at an edge of substrate net raw material that has restraining barrier and bonding coat through charge generating layer uncoated, with promotion by suitably electrically contacting with after-applied earthing strip layer.To comprise and gather (4,4 '-diphenyl)-1,1 '-charge generating layer of cyclohexane carbonic ester, tetrahydrofuran and hydroxy gallium phthalocyanine under 125 ℃ in the force air baking oven dry 2 minutes be 0.4 micron dry charge generating layer to form thickness.
The net raw material of the coating that forms is like this adopted transmission of electricity layer and the coextrusion above that simultaneously coating of earthing strip layer by coating material.The transmission of electricity layer is prepared by following mode: the weight ratio with 1: 1 (or each 50wt%) in the amber glass bottle is introduced MAKROLON 5705 (bisphenol-a polycarbonate thermoplastics; Molecular weight is about 120,000, available from FarbensabrickenBayer A.G.) and N; N '-diphenyl-N; N '-two (3-aminomethyl phenyl)-1,1 '-biphenyl-4,4 '-diamines (transmission of electricity compound).
The potpourri that obtains is dissolved to obtain the 15wt% solid in methylene chloride.Through extruding this solution is applied on the charge generating layer forming coating, this coating obtains the transmission of electricity layer of 29 micron thick when dry in the force air baking oven.
To during coextrusion processes, apply by the 10 mm wide strip adoption earthing strip layers that charge generating layer stays uncoated bonding coat.Through in the carboy container, combining 23.81 gram polycarbonate resins (MAKROLON 5705, and 7.87% of total solid weight is available from Bayer A.G.) and 332 gram methylene chloride to prepare earthing strip coating potpourri.Container closely covered and be placed on the roller refining machine be dissolved in methylene chloride up to polycarbonate in about 24 hours.Be dispersed in 15-30 minute in the water-cooled jacketed container to prevent the overheated and loss solvent of dispersion by means of about 93.89 gram graphite dispersion (12.3wt% solid) mixing of high shear blade the solution that obtains and 9.41 weight portion graphite, 2.87 weight portion ethyl celluloses and 87.7 parts by weight solvent (Acheson Graphite dispersion RW22790 is available from AchesonColloids Company).Regulate viscosity with the dispersion filtration that obtains with by means of methylene chloride then.Be about 19 micron conductive earthing bar layer to form dry thickness on the net with this earthing strip coating potpourri through being applied to electrophotographic imaging member then with the coextrusion of transmission of electricity layer.
Make then comprise all with the image-forming component net raw materials on the upper strata force air baking oven through 125 ℃ 3 minutes with dry transmission of electricity layer and earthing strip simultaneously.
The anti-coating that curls is prepared by following mode: in the carboy container, combine 88.2 gram polycarbonate resins (MAKROLON 5705), 7.12 gram VITEL PE-200 copolyesters (available from Goodyear Tire and Rubber Company) and 1,071 gram methylene chloride to comprise the coating solution of 8.9% solid with formation.Container closely covered and be placed on the roller refining machine be dissolved in methylene chloride to form the anti-back coating solution that curls up to polycarbonate and polyester in about 24 hours.To prevent then curling, to apply the back surface (with a charge generating layer and the relative side of transmission of electricity layer) that is applied to the electrophotographic imaging member net and in the force air baking oven, be dried to 125 ℃ maximum temperature be 17 microns dry paint layer and the image-forming component that flattens to produce thickness in 3 minutes to back coating solution through extruding.
Embodiment 2
Prepare electrophotographic imaging member according to the use of illustration embodiment and embodiment 1 said identical materials and process; Difference be to prepare inter coat and be inserted into charge generating layer and the adhesive interface layer between obtaining material configuration as shown in Figure 1, but do not have external coating.
Through dissolving film forming polyethers thermoplastic polyurethane in tetrahydrofuran, Ellastollan TM1180A (available from BASF Corporation) prepares inter coat.Use high shear mixer that the nano particle of gamma-amino propyl trimethoxy silicane (3-APS) coating of the silicon dioxide (CEP10AA9810 is available from Cabot Corporation) of calcining is dispersed in this solution to obtain the inter coat coating solution.On with coating solution paint adhesive interface layer and after 120 ℃ of following dryings; Obtain dry in the thickness of the thermoplastic polyurethane inter coat that applies be about 0.3 micron and comprise the coated particle in about 60wt% dispersion, based on total dry weight of layer.Dry inter coat is insoluble to the methylene chloride of the coating solution that is used to transmit electricity fully, with the diffusion of the molecule that stops to transmit electricity.
The evaluation of embodiment 3 charge defects points
At first estimate the overall light-electric property of the electrophotographic imaging member of embodiment 1 and 2.Adopt conventional drum scanner to measure, image-forming component is charged to be used to into the exemplary voltages of camera and the light discharge through dose known amounts.Test result has proved electric charge acceptance, photonasty, dark decay, background and residual voltage, and electric cyclical stability does not receive disclosed inter coat is joined the influence of image-forming component basically.
Use High-Field to induce dark decay (HiFIDD) measuring technique according at United States Patent (USP) 5,697 then, the tendency of further test implementation example 1 and the 2 image-forming components generation charge defects points of describing in 024 of process (CDS), the document is hereby incorporated by.Simply, gold conduction semitransparent electrode with the 1cm diameter that about 100 dusts of the image-forming component samples using of embodiment 1 are thick applies.The potential pulse that increases continuously is applied 100 milliseconds and measure the incremental difference in the dark decay after the match at each at these electrodes.The numerical value (HiFIDD) of measurement under the High-Field that applies.Adopt similar mode, the sample strip of the image-forming component of embodiment 2 is adopted contact electrode to apply and measures HiFIDD.The measurement numerical value that the image-forming component sample of embodiment 2 with inter coat is obtained is 250 volts, and this inter coat comprises the nano-silicon dioxide particle dispersion of 3-APS coating, and the measurement numerical value of the image-forming component of embodiment 1 (Comparative Examples) is 524 volts.Compare with the contrast imaging element that does not have inter coat to form, the FIDD number of the image-forming component of embodiment 2 (it mainly represents the local dark decay of ordering as CDS) is very low.Digital proof the inter coat that forms according to the illustration embodiment suppress and minimize the effectiveness that manifests of duplicating CDS printed article defective in the product.

Claims (10)

1. image-forming component comprises:
Conductive layer;
Positive charge restraining barrier on conductive layer, its thickness is less than 10 microns;
Adhesive interface layer on the positive charge restraining barrier;
Inter coat on the adhesive interface layer; This inter coat comprises film forming polymer and is dispersed in bulk material wherein; This bulk material is the load resistance material above that; Wherein resistance material comprises at least a of N-functional silane, N-official's ability titanate and N-official's ability zirconate, and the thickness of inter coat is 0.1 micron-10 microns; With
Imaging layer on inter coat.
2. the image-forming component of claim 1, wherein imaging layer comprises at least one of charge generating layer and transmission of electricity layer.
3. the image-forming component of claim 2, wherein inter coat is in the middle of charge generating layer and restraining barrier.
4. the image-forming component of claim 2, wherein charge generating layer comprise the photoproduction material and wherein the transmission of electricity layer do not have the photoproduction material basically.
5. the image-forming component of claim 1, wherein resistance material is selected from the trimethoxy-silylpropyl ethylenediamine and the combination thereof of (gamma-amino propyl group) triethoxysilane, (gamma-amino propyl group) trimethoxy silane, (gamma-amino butyl) methyldiethoxysilane, (gamma-amino propyl group) methyl dimethoxysilane, trimethoxysilyl propane diamine, hydrolysis.
6. xerox print system comprises the image-forming component of claim 1.
7. image-forming component comprises:
Optional substrate;
Resistance electricity layer, its thickness is less than 10 microns;
Adhesive interface layer on resistance electricity layer;
Inter coat on the adhesive interface layer, this inter coat comprise film forming polymer and the bulk material that is dispersed in the resistance material of load above that wherein, and wherein resistance material comprises at least a of N-functional silane, N-official's ability titanate and N-official's ability zirconate;
Charge generating layer on inter coat; With
Transmission of electricity layer on charge generating layer;
Wherein said film forming polymer is insoluble to the solvent of the layer that is used to transmit electricity.
8. method that forms image-forming component comprises:
On conductive layer, form thickness less than 10 microns restraining barrier;
On the restraining barrier, form the adhesive interface layer;
On the adhesive interface layer, form inter coat; This inter coat comprises film forming polymer and is dispersed in bulk material wherein; This bulk material is the load resistance material above that, and wherein resistance material comprises at least a of N-functional silane, N-official's ability titanate and N-official's ability zirconate; With
On inter coat, form imaging layer, this imaging layer is included in the charge transport component in the film forming base-material.
9. the method for claim 8, wherein imaging layer comprises the transmission of electricity layer, and wherein the transmission of electricity layer is formed by the coating solution deposition that is used to form the transmission of electricity layer, the film forming polymer of inter coat is insoluble to the solvent that is used to form transmission of electricity layer solution.
10. the method for claim 8, wherein imaging layer comprises charge generating layer, this method further comprises:
On inter coat, form charge generating layer.
CN2006100928222A 2005-06-20 2006-06-19 Imaging member Expired - Fee Related CN1885173B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/156882 2005-06-20
US11/156,882 US7541123B2 (en) 2005-06-20 2005-06-20 Imaging member

Publications (2)

Publication Number Publication Date
CN1885173A CN1885173A (en) 2006-12-27
CN1885173B true CN1885173B (en) 2012-07-18

Family

ID=37572534

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006100928222A Expired - Fee Related CN1885173B (en) 2005-06-20 2006-06-19 Imaging member

Country Status (3)

Country Link
US (1) US7541123B2 (en)
CN (1) CN1885173B (en)
BR (1) BRPI0602344A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007070673A1 (en) * 2005-12-15 2007-06-21 Cabot Corporation Transparent polymer composites
US7470974B2 (en) * 2006-07-14 2008-12-30 Cabot Corporation Substantially transparent material for use with light-emitting device
WO2008134492A1 (en) 2007-04-27 2008-11-06 Konarka Technologies, Inc. Organic photovoltaic cells
JP5387298B2 (en) * 2008-10-22 2014-01-15 コニカミノルタ株式会社 Organic photoreceptor, image forming apparatus and process cartridge
JP5523803B2 (en) * 2009-11-27 2014-06-18 富士フイルム株式会社 Radiation sensor and radiographic imaging apparatus
US8399164B2 (en) * 2010-04-28 2013-03-19 Xerox Corporation Dendritic polyester polyol photoconductors
US20120292599A1 (en) * 2011-05-18 2012-11-22 Xerox Corporation Charge transport molecule gradient
CN108318551B (en) * 2017-12-29 2019-06-11 北京科技大学 A kind of hercynite composite material, hercynite composite material modified glassy carbon electrode and its preparation method and application

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412624A (en) * 2001-10-09 2003-04-23 富士施乐株式会社 Electronic photographic photoreceptor and mfg. method, processing card cassette and electronic photographic device

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121006A (en) * 1957-06-26 1964-02-11 Xerox Corp Photo-active member for xerography
BE756375A (en) * 1969-09-30 1971-03-01 Eastman Kodak Co NEW PHOTOCONDUCTIVE COMPOSITION AND PRODUCT CONTAINING IT FOR USE IN ELECTROPHOTOGRAPHY
US3837851A (en) * 1973-01-15 1974-09-24 Ibm Photoconductor overcoated with triarylpyrazoline charge transport layer
US4150987A (en) * 1977-10-17 1979-04-24 International Business Machines Corporation Hydrazone containing charge transport element and photoconductive process of using same
JPS54110837A (en) * 1978-02-17 1979-08-30 Ricoh Co Ltd Electrophotographic photoreceptor
JPS6028342B2 (en) * 1978-06-21 1985-07-04 コニカ株式会社 electrophotographic photoreceptor
JPS5552063A (en) * 1978-10-13 1980-04-16 Ricoh Co Ltd Electrophotographic receptor
JPS5584943A (en) * 1978-12-21 1980-06-26 Ricoh Co Ltd Laminated type electrophotographic photoreceptor
US4297426A (en) * 1979-05-28 1981-10-27 Ricoh Co., Ltd. Electrophotographic element with carbazole hydrazone or anile charge transport compounds
US4291110A (en) * 1979-06-11 1981-09-22 Xerox Corporation Siloxane hole trapping layer for overcoated photoreceptors
JPS5546725A (en) * 1979-08-23 1980-04-02 Olympus Optical Co Ltd Aperture priority type ee camera
JPS5681850A (en) * 1979-12-08 1981-07-04 Ricoh Co Ltd Electrophotographic receptor
US4385106A (en) * 1980-02-28 1983-05-24 Ricoh Co., Ltd. Charge transfer layer with styryl hydrazones
US4286033A (en) * 1980-03-05 1981-08-25 Xerox Corporation Trapping layer overcoated inorganic photoresponsive device
US4399208A (en) * 1980-11-22 1983-08-16 Canon Kabushiki Kaisha Electrophotographic photosensitive member
US4338387A (en) * 1981-03-02 1982-07-06 Xerox Corporation Overcoated photoreceptor containing inorganic electron trapping and hole trapping layers
US4399207A (en) * 1981-07-31 1983-08-16 Canon Kabushiki Kaisha Electrophotographic photosensitive member with hydrazone compound
US4587189A (en) * 1985-05-24 1986-05-06 Xerox Corporation Photoconductive imaging members with perylene pigment compositions
US4664995A (en) * 1985-10-24 1987-05-12 Xerox Corporation Electrostatographic imaging members
US4988597A (en) * 1989-12-29 1991-01-29 Xerox Corporation Conductive and blocking layers for electrophotographic imaging members
US5096795A (en) * 1990-04-30 1992-03-17 Xerox Corporation Multilayered photoreceptor containing particulate materials
US5215839A (en) * 1991-12-23 1993-06-01 Xerox Corporation Method and system for reducing surface reflections from an electrophotographic imaging member
US5244762A (en) * 1992-01-03 1993-09-14 Xerox Corporation Electrophotographic imaging member with blocking layer containing uncrosslinked chemically modified copolymer
US5378566A (en) * 1992-11-02 1995-01-03 Xerox Corporation Structurally simplified electrophotographic imaging member
US5576130A (en) * 1996-01-11 1996-11-19 Xerox Corporation Photoreceptor which resists charge deficient spots
US5643702A (en) * 1996-01-11 1997-07-01 Xerox Corporation Multilayered electrophotograpic imaging member with vapor deposited generator layer and improved adhesive layer
US5697024A (en) * 1996-01-11 1997-12-09 Xerox Corporation Differential increase in dark decay comparison
US5571649A (en) * 1996-01-11 1996-11-05 Xerox Corporation Electrophotographic imaging member with improved underlayer
US5703487A (en) * 1996-01-11 1997-12-30 Xerox Corporation Detection of charge deficient spot susceptibility
US5591554A (en) * 1996-01-11 1997-01-07 Xerox Corporation Multilayered photoreceptor with adhesive and intermediate layers
DE19603901A1 (en) * 1996-02-03 1997-08-07 Krupp Uhde Gmbh Process for obtaining pure aromatics from reformate gasoline and device for carrying out the process
US5756245A (en) * 1997-06-05 1998-05-26 Xerox Corporation Photoconductive imaging members
US6150824A (en) * 1997-10-30 2000-11-21 Xerox Corporation Contactless system for detecting subtle surface potential charge patterns
US6119536A (en) * 1997-10-30 2000-09-19 Xerox Corporation Constant distance contactless device
US6008653A (en) * 1997-10-30 1999-12-28 Xerox Corporation Contactless system for detecting microdefects on electrostatographic members
US6071661A (en) * 1999-06-29 2000-06-06 Xerox Corporation Imaging member containing branched polycarbonate
US6117603A (en) * 1999-07-28 2000-09-12 Xerox Corporation Electrostatographic imaging member having an improved imaging layer
US6214514B1 (en) * 1999-09-29 2001-04-10 Xerox Corporation Process for fabricating electrophotographic imaging member
US6294300B1 (en) * 2000-01-19 2001-09-25 Xerox Corporation Charge generation layer for electrophotographic imaging member and a process for making thereof
US6255027B1 (en) * 2000-05-22 2001-07-03 Xerox Corporation Blocking layer with light scattering particles having coated core
US6326111B1 (en) * 2000-11-15 2001-12-04 Xerox Corporation Stable charge transport layer dispersion containing polytetrafluoroethylene particles and hydrophobic silica
JP4064229B2 (en) * 2002-12-20 2008-03-19 シャープ株式会社 Electrophotographic photoreceptor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412624A (en) * 2001-10-09 2003-04-23 富士施乐株式会社 Electronic photographic photoreceptor and mfg. method, processing card cassette and electronic photographic device

Also Published As

Publication number Publication date
US7541123B2 (en) 2009-06-02
US20060284194A1 (en) 2006-12-21
CN1885173A (en) 2006-12-27
BRPI0602344A (en) 2007-02-21

Similar Documents

Publication Publication Date Title
CN1885173B (en) Imaging member
US4426435A (en) Process for forming an electrophotographic member having a protective layer
US7033714B2 (en) Imaging members
US7005222B2 (en) Imaging members
US5164276A (en) Charge generation layers and charge transport, layers for electrophotographic imaging members, and processes for producing same
CN1885174B (en) Imaging member
US5378566A (en) Structurally simplified electrophotographic imaging member
CN1912752A (en) Anticurl backing layer for electrostatographic imaging members
EP0745903A1 (en) Process for preparing a multilayer electrophotographic imaging member
MX2007004859A (en) Imaging member.
US5422213A (en) Multilayer electrophotographic imaging member having cross-linked adhesive layer
US7125633B2 (en) Imaging member having a dual charge transport layer
JPH04270773A (en) Blocking layer for photoreceptor
CN100442147C (en) Imaging members
US6383699B1 (en) Photoreceptor with charge blocking layer containing quaternary ammonium salts
BRPI0605323B1 (en) IMAGE FORMING ELEMENT, METHOD FOR REDUCING PHANTOM FORMATION POTENTIAL IN AN IMAGE FORMER ELEMENT AND IMAGE FORMER APPLIANCE
JP3968120B2 (en) Electrophotographic imaging member
US5643702A (en) Multilayered electrophotograpic imaging member with vapor deposited generator layer and improved adhesive layer
DE69928310T2 (en) Electrophotographic recording element with polyethylene naphthalate-containing carrier layer
JP7435839B2 (en) Manufacturing method of electrophotographic photoreceptor
US5110700A (en) Electrophotographic imaging member
US5223361A (en) Multilayer electrophotographic imaging member comprising a charge generation layer with a copolyester adhesive dopant
CN100573344C (en) Multi-layer photoreceptor
US5108861A (en) Evaporated cuprous iodide films as transparent conductive coatings for imaging members
US5830613A (en) Electrophotographic imaging member having laminated layers

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120718

Termination date: 20140619

EXPY Termination of patent right or utility model